Java Thread dumpStack() 方法

2025年3月21日 | 阅读 1 分钟

Thread 类的 dumpStack() 方法会将当前线程的堆栈跟踪打印到标准错误流。它仅用于调试。

语法

此方法不返回任何值。

示例

public class JavaDumpStackExp 
{
    public static void main(String[] args) 
    {
        Thread thread = Thread.currentThread();
        thread.setName("My ThreadDumpStack");

        // set thread priority to 6
        thread.setPriority(6);
        // prints the current thread
        System.out.println("Current thread: " + thread);
    
        int count = Thread.activeCount();
        System.out.println("currently active threads: " + count);

        // prints a stack trace of the current thread to the standard error stream, used for debugging 
        Thread.dumpStack();
   }
}

输出

Current thread: Thread[My ThreadDumpStack,6,main]
currently active threads: 1
java.lang.Exception: Stack trace
	at java.lang.Thread.dumpStack(Thread.java:1336)
	at TpointTech.java.JavaDumpStackExp.main(JavaDumpStackExp.java:19)

下一主题Java 多线程

Java Thread dumpStack() 方法

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Java Thread dumpStack() 方法

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